Mini Code Preview

Paste HTML, CSS, JS and click “Run” to preview

HTML Markup

CSS Styles

JavaScript Logic

Preview Idle

`; previewFrame.srcdoc = finalCode; statusText.textContent = "Last run: " + new Date().toLocaleTimeString(); } function resetEditors() { htmlInput.value = "

Hello World

"; cssInput.value = "body { font-family: system-ui, sans-serif; }"; jsInput.value = "console.log('Reset!');"; runPreview(); } runBtn.addEventListener("click", runPreview); resetBtn.addEventListener("click", resetEditors); // Optional: auto-run on Ctrl+Enter in any editor [htmlInput, cssInput, jsInput].forEach((area) => { area.addEventListener("keydown", (e) => { if (e.ctrlKey && e.key === "Enter") { e.preventDefault(); runPreview(); } }); }); // Initial load runPreview();